[INFO] fetching crate iovec 0.1.4...
[INFO] testing iovec-0.1.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate iovec 0.1.4 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate iovec 0.1.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iovec 0.1.4
[INFO] finished tweaking crates.io crate iovec 0.1.4
[INFO] tweaked toml for crates.io crate iovec 0.1.4 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7c6fbc8abe68c5731d100ba148573aecae0c8f40b342de1582511d46ce417c
[INFO] running `Command { std: "docker" "start" "-a" "0e7c6fbc8abe68c5731d100ba148573aecae0c8f40b342de1582511d46ce417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7c6fbc8abe68c5731d100ba148573aecae0c8f40b342de1582511d46ce417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7c6fbc8abe68c5731d100ba148573aecae0c8f40b342de1582511d46ce417c", kill_on_drop: false }`
[INFO] [stdout] 0e7c6fbc8abe68c5731d100ba148573aecae0c8f40b342de1582511d46ce417c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbe2dda97a44facd33add14c5a51e984f00f6ef3f985d8304da9629df07d44f
[INFO] running `Command { std: "docker" "start" "-a" "6fbe2dda97a44facd33add14c5a51e984f00f6ef3f985d8304da9629df07d44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "6fbe2dda97a44facd33add14c5a51e984f00f6ef3f985d8304da9629df07d44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbe2dda97a44facd33add14c5a51e984f00f6ef3f985d8304da9629df07d44f", kill_on_drop: false }`
[INFO] [stdout] 6fbe2dda97a44facd33add14c5a51e984f00f6ef3f985d8304da9629df07d44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea74f5f25d3522b7b781456029cf8ea0e143faf549b67d3df8ce689514cd97b1
[INFO] running `Command { std: "docker" "start" "-a" "ea74f5f25d3522b7b781456029cf8ea0e143faf549b67d3df8ce689514cd97b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "ea74f5f25d3522b7b781456029cf8ea0e143faf549b67d3df8ce689514cd97b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea74f5f25d3522b7b781456029cf8ea0e143faf549b67d3df8ce689514cd97b1", kill_on_drop: false }`
[INFO] [stdout] ea74f5f25d3522b7b781456029cf8ea0e143faf549b67d3df8ce689514cd97b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e26a65b8da16f79ddb2126bf3cb5f22bd168a3f19a2b6a35ee7aa40bbc1e34b
[INFO] running `Command { std: "docker" "start" "-a" "0e26a65b8da16f79ddb2126bf3cb5f22bd168a3f19a2b6a35ee7aa40bbc1e34b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iovec-b409767ebadd99e1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::convert_mut ... ok
[INFO] [stdout] test test::convert_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iovec
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/unix.rs - unix::as_os_slice_mut (line 54) ... ok
[INFO] [stdout] test src/unix.rs - unix (line 8) ... ok
[INFO] [stdout] test src/unix.rs - unix::as_os_slice (line 32) ... ok
[INFO] [stdout] test src/lib.rs - IoVec (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e26a65b8da16f79ddb2126bf3cb5f22bd168a3f19a2b6a35ee7aa40bbc1e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e26a65b8da16f79ddb2126bf3cb5f22bd168a3f19a2b6a35ee7aa40bbc1e34b", kill_on_drop: false }`
[INFO] [stdout] 0e26a65b8da16f79ddb2126bf3cb5f22bd168a3f19a2b6a35ee7aa40bbc1e34b